#include <iostream>
#include <vector>
#include <cstring>
#include <cstdlib>
#include <map>
using namespace std; 

int main(){
	char *buf = (char*) malloc(6);  
	memset(buf,'a',5);
	
	string s(buf); 
	cout << s.c_str() << endl; 
	cout << s.size() << endl; 
	map<int,int> mapInt; 
	mapInt.insert(pair<int,int>(1,1));
	map<int,int>::iterator it = mapInt.begin(); 
	cout << (*it).first << endl; 
}
